NPPES file of Aug 9, 2026

Charlotte J. Bai, MD

Cardiovascular Disease Physician · Chicago, IL

Charlotte J. Bai, MD is a cardiovascular disease physician with a practice address in Chicago, Illinois, and NPI 1740484807, issued on Jun 13, 2007. Check the license (Illinois 036113783, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740484807
Name
Charlotte J. Bai
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
036113783 IL
55911 WI
Self-reported in NPPES; status is on the state search
Practice location
1725 W Harrison St, Chicago, IL 60612
Phone
(312) 942-5020
Enumerated
Jun 13, 2007
Record last updated
Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 942-4039
Medicaid ID
1740484807 WI
Medicare enrollment
Enrolled (PECOS I20210921002140); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1725 W Harrison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Qurrat-Ul-Ain Abid, MDHospice and Palliative Medicine (Internal Medicine) Physician1053949024
  2. John Acheson, MDSurgery Physician1205528726
  3. David Agbunag, PA-CSurgical Physician Assistant1093885188
  4. Eda Akyar, MDSports Medicine (Family Medicine) Physician1255910006
  5. Jorelle Alexander, DMD,MPHDentist1972790756
  6. Amjad Ali, M.D.Specialist1952359184

Verify Charlotte J. Bai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036113783
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

13% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,685 Medicare Part D claims for 442 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Charlotte Bai2,685
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium272 claims
  2. Furosemide208 claims
  3. Metoprolol Succinate154 claims
  4. Metoprolol Tartrate150 claims
  5. Amlodipine Besylate138 claims
  6. Losartan Potassium132 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSouth San Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charlotte J. Bai among 1,073 cardiovascular disease physician records in Illinois

Charlotte J. Bai, MD is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.

  • NPI issued2007 · 50% of these records are older, 44% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2001 · median 2001 among the 688 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. James Calvin, M.D.Chicago, IL 606121023041522
  2. Quinn Capers, M.D.Chicago, IL 606121053312413
  3. Rami Doukky, M.D.Chicago, IL 606121093761181
  4. Maan El Khadra, MDChicago, IL 606121316946700
  5. Philip Liebson, M.D.Chicago, IL 606121083630370
  6. Victor Pelaez, MDChicago, IL 606121235156266
  7. Jalees Rehman, M.D.Chicago, IL 606121396709135
  8. Cheryl Rucker-Whitaker, MD, MPHChicago, IL 606121821028622

Common questions

What is Charlotte J. Bai, MD's NPI number?

Charlotte J. Bai, MD's National Provider Identifier (NPI) is 1740484807, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charlotte J. Bai, MD located?

The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-5020. Providers update this record themselves, so call before visiting.

How can I verify Charlotte J. Bai, MD's license?

NPPES lists Illinois license number 036113783, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charlotte J. Bai, MD prescribe under Medicare Part D?

In 2024, Charlotte J. Bai, MD had 2,685 Medicare Part D claims for 442 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.